99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/EMEUtils.h"
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#include "jsfriendapi.h" // for AutoCheckCannotGC
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#include "mozilla/dom/UnionTypes.h"
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namespace mozilla {
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LogModule* GetEMELog() {
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static LazyLogModule log("EME");
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return log;
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}
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LogModule* GetEMEVerboseLog() {
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static LazyLogModule log("EMEV");
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return log;
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}
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ArrayData
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GetArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView)
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{
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MOZ_ASSERT(aBufferOrView.IsArrayBuffer() || aBufferOrView.IsArrayBufferView());
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JS::AutoCheckCannotGC nogc;
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if (aBufferOrView.IsArrayBuffer()) {
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const dom::ArrayBuffer& buffer = aBufferOrView.GetAsArrayBuffer();
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buffer.ComputeLengthAndData();
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return ArrayData(buffer.Data(), buffer.Length());
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} else if (aBufferOrView.IsArrayBufferView()) {
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const dom::ArrayBufferView& bufferview = aBufferOrView.GetAsArrayBufferView();
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bufferview.ComputeLengthAndData();
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return ArrayData(bufferview.Data(), bufferview.Length());
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}
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return ArrayData(nullptr, 0);
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}
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void
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CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBufferViewOrArrayBuffer& aBufferOrView,
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nsTArray<uint8_t>& aOutData)
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{
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JS::AutoCheckCannotGC nogc;
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ArrayData data = GetArrayBufferViewOrArrayBufferData(aBufferOrView);
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aOutData.Clear();
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if (!data.IsValid()) {
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return;
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}
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aOutData.AppendElements(data.mData, data.mLength);
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}
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void CopyArrayBufferViewOrArrayBufferData(const dom::ArrayBuffer& aBuffer,
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nsTArray<uint8_t>& aOutData) {
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JS::AutoCheckCannotGC nogc;
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aBuffer.ComputeLengthAndData();
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aOutData.Clear();
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aOutData.AppendElements(aBuffer.Data(), aBuffer.Length());
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}
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bool
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IsClearkeyKeySystem(const nsAString& aKeySystem)
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{
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return !CompareUTF8toUTF16(kEMEKeySystemClearkey, aKeySystem);
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}
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bool
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IsWidevineKeySystem(const nsAString& aKeySystem)
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{
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return !CompareUTF8toUTF16(kEMEKeySystemWidevine, aKeySystem);
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}
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nsString
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KeySystemToGMPName(const nsAString& aKeySystem)
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{
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if (IsClearkeyKeySystem(aKeySystem)) {
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return NS_LITERAL_STRING("gmp-clearkey");
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}
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if (IsWidevineKeySystem(aKeySystem)) {
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return NS_LITERAL_STRING("gmp-widevinecdm");
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}
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MOZ_ASSERT(false, "We should only call this for known GMPs");
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return EmptyString();
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}
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CDMType
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ToCDMTypeTelemetryEnum(const nsString& aKeySystem)
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{
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if (IsWidevineKeySystem(aKeySystem)) {
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return CDMType::eWidevine;
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} else if (IsClearkeyKeySystem(aKeySystem)) {
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return CDMType::eClearKey;
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}
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return CDMType::eUnknown;
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}
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} // namespace mozilla
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